<?php
$post = filter_input_array(INPUT_POST, [
    'login'=>FILTER_SANITIZE_STRING,
    'password'=>FILTER_UNSAFE_RAW
]);
$user = "root";
$pass = "1";
try {
    require_once("modules/connect.php");
    $pss = sha1($post['password']); //зашифрованный пароль
    $sth = $dbh->prepare("SELECT * FROM test WHERE login=?");
    $sth->execute([$post['login']]);
    $pth = $dbh->prepare("SELECT * FROM test WHERE pass=?");
    $pth->execute([$post['password']]);
    $result = $sth->rowCount(); //вывод кол-ва записей
    $resultp = $pth->rowCount(); //вывод кол-ва записей
    print_r($result);
    if ($result==0) { //проверка
        echo "Такого пользователя нету";
        return;
    } else {
        if ($resultp==0) { //проверка
            echo "Неверный пароль";
            return;
        } else {
            echo "ok";
            setcookie("test",$post['login'],time()+3600);
        }
        //setcookie("test",$post['login'],time()+3600);
        //header("Location: pass.html");
        if ($post['login']=='root') {
            header("Location: pages.php");
        }
        else {
            header("Location: lk.php");
        }

    }
} catch (PDOException $e) {
    echo $e->getMessage();
}
?>